Home / 2,697.95-4,038.45-1,860.09

Finding the Fourth Proportional to 2,697.95, 4,038.45 and 1,860.09

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Solution

The fourth proportional to 2,697.95, 4,038.45 and 1,860.09 is: 2,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.95 : 4,038.45 = 1,860.09 : x
  2. Step 2: Convert to fraction form
    2,697.95/4,038.45 = 1,860.09/x
  3. Step 3: Cross multiply
    2,697.95x = 4,038.45 × 1,860.09
  4. Step 4: Simplify right side
    2,697.95x = 7,511,880.46
  5. Step 5: Solve for x
    x = 7,511,880.46/2,697.95
  6. Step 6: Final answer
    x = 2,784.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.